Home / 691,461.25-1,037,191.88-166,149.25

Finding the Fourth Proportional to 691,461.25, 1,037,191.88 and 166,149.25

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Solution

The fourth proportional to 691,461.25, 1,037,191.88 and 166,149.25 is: 249,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,461.25 : 1,037,191.88 = 166,149.25 : x
  2. Step 2: Convert to fraction form
    691,461.25/1,037,191.88 = 166,149.25/x
  3. Step 3: Cross multiply
    691,461.25x = 1,037,191.88 × 166,149.25
  4. Step 4: Simplify right side
    691,461.25x = 172,328,652,137.34
  5. Step 5: Solve for x
    x = 172,328,652,137.34/691,461.25
  6. Step 6: Final answer
    x = 249,223.88

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.